Flag this question for future reference What is the test that can be conducted in the laboratory to understand the transformer impedance drops are dependent on the load current with a variation in the secondary voltage? O a. Direct Load Test O b. Open Circuit Test O c. Voltage Ratio Test O d. Polarity Test

Flag this question for future reference What is the test that can be conducted in the laboratory to understand the transformer impedance drops are dependent on the load current with a variation in the secondary voltage? O a. Direct Load Test O b. Open Circuit Test O c. Voltage Ratio Test O d. Polarity Test

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Similar questions

The turns ratio of a particular transformer is less than 1. Where would you expect to see this type of transformer? OI. A 0 0 0 0 0 Power Plant K Generation II. A and B III. B IV. B and C V. C VI. C and A A Station High-Voltage Power Lines Transmission B Substation C Distribution Power Lines ( .00 Industrial Consumer Commercial Consumer Residential Consumer Distribution
Which of the following is the range of excitating current (in percent) of its rated current for a small distribution transformer? 25 Equal to rated current 6 None of option OO0O
How does the coupling factor affect the primary and secondary voltages? For example if the turns ratio in my transformer is 1:2 and the Vin is 10V, the voltage on the primary side is 10V and the voltage on the secondary side is 20V when the coupling factor (k) is 1. What will the primary and secondary voltages be if the coupling factor becomes 0.5?
Current transformer has Select one: O a. No relation between primary windings and its secondary windings O b. More secondary windings than its primary windings O C. Primary windings equal to secondary windings O d. More primary windings than its secondary windings
A 200 V/100 V, 50 Hz transformer is to be excited at 40 Hz from 100 V side. For the exciting current to be constant, the applied voltage should be ?
The equivalent circuit impedances of a 20-kVA, 8000/240-V, 60-Hz transformer are to be determined. The open-circuit test and the short- circuit test were performed on the primary side of the transformer, and the following data were taken: Open-circuit test (on primary) Short-circuit test (on primary) 8000 V V= 489 V I0.214 A 2.5 A P= 400 W P= 240 W Find the impedances of the approximate equivalent circuit referred to the primary side, and sketch the circuit.
The rated power of a certain transformer is 1 kVA. The transformer operates at 60 Hz and 120 V ac. at 60 Hz and 120 V ac. The secondary voltage is 600 V. (a) What is the maximum current at the load? (b) What is the smallest RL value that can be excited? (c) What is the largest capacitor that can be connected as a load?
A Buck converter has an output power of 1950 Watts, and a source voltage of 1000V (the constant DC voltage). Using the information provided and the "“transformer-like" relationships derived in class, estimate the corresponding load currents for the following duty ratios: a) D=0.35 b) D=0.9 c) D=0.5
A recording studio put in an isolation transformer to keep hums and buzzes down in the recorded audio. What's the turns ratio in this transformer? A. 21 B. Can be any ratio C.11 D. 12
b) The parameters of the transformer equivalent circuit are given bellow, Primary =1290. Secondary winding turns =130. The resistance of the primary winding =0.2 O. The resistance of the secondary winding =0.06 N. The leakage reactance of the primary winding =1.47 Q. The leakage reactance of the secondary winding =0.07 Q. using the above parameter values, referred to the primary winding, determine (a) Equivalent resistance, (b) Equivalent reactance, (c) Equivalent impedance and (d) The phase angle of the impedance.
Q5. For the following center tapped transformer, show the waveform across each half of the secondary winding and across R, when a 100 V peak sine wave is applied to the primarywinding. What is the PIV rating must the diodeshave? (Use constant voltage drop model for the Silicon diode) D IN4001 OV 10 kN IN4001 DELL
3. An ideal transformer with a 500 turns primary and 125 turns secondary windings delivers 400W to a 40 load. The resistance of the primary windings is 160. Find the primary current and voltage.